@online{cite1,
  title = {Link 1},
  author = {Author, One and others},
  url = {http://example.com},
  urldate = {2017-01-01}
}

@online{cite2,
  title = {Link 2},
  author = {Author, Two and others},
  url = {http://example.com},
  urldate = {2017-01-01}
}

